Claim Challenge

curl --request POST \
  --url https://api.authsignal.com/v1/claim \
  --header 'Content-Type: application/json' \
  --data '{
  "challengeId": "4deec6f1-034c-437b-95cd-4efc84cbcc52",
  "userId": "4a0acccf-ed27-463c-9357-0eafa3722ef1"
}'

{
  "token": "<string>"
}